How To Fix CNV_CMIS_A_20216 - Missing key field found in table &: not relevant

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_CMIS_A_20 - Message class for Cross-Client Customizing Comparison (SLO)

• Message number: 216

• Message text: Missing key field found in table &: not relevant

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_CMIS_A_20216 - Missing key field found in table &: not relevant ?

  The SAP error message CNV_CMIS_A_20216 typically indicates that there is a missing key field in a specific table during a data migration or conversion process. This error is often encountered in the context of SAP's Conversion and Migration tools, particularly when using the SAP S/4HANA Migration Cockpit or similar tools.
  Cause:
  The error message suggests that the system has identified a key field that is expected to be present in the specified table but is not found. This can occur due to several reasons:
  
  Data Model Changes: The structure of the target table may have changed, and the key field is no longer relevant or has been removed.
  Incorrect Mapping: During the migration process, the mapping of fields from the source to the target table may not have been set up correctly, leading to missing key fields.
  Data Quality Issues: The source data may have inconsistencies or missing values that prevent the key field from being populated correctly.
  Configuration Issues: There may be configuration settings in the migration tool that are not aligned with the current data model.
  
  Solution:
  To resolve the CNV_CMIS_A_20216 error, you can take the following steps:
  
  
  Check Table Structure: Verify the structure of the target table to ensure that the key fields are defined correctly. You can do this by using transaction codes like SE11 (Data Dictionary) to inspect the table definition.
  
  
  Review Migration Mapping: Go through the mapping configuration in the migration tool to ensure that all required fields, especially key fields, are correctly mapped from the source to the target.
  
  
  Data Validation: Validate the source data to ensure that it contains all necessary key fields. You may need to clean or transform the data to meet the requirements of the target table.
  
  
  Consult Documentation: Refer to the SAP documentation related to the specific migration or conversion process you are using. There may be specific notes or guidelines regarding key fields and their relevance.
  
  
  Adjust Configuration: If the key field is indeed not relevant for the current migration scenario, you may need to adjust the configuration settings in the migration tool to exclude it from the process.
  
  
  Seek Support: If the issue persists, consider reaching out to SAP support or consulting with an SAP expert who can provide more tailored assistance based on your specific scenario.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional context.
  Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit or the specific tool you are using for data migration.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the root cause of the error and implement a suitable solution.